Mock turtleneck



FIG. 1 is a top plan view of a mock turtleneck showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a front perspective of my mock turtleneck as worn on a person; and,

FIG. 6 is a rear perspective of my mock turtleneck as worn on a person.

The broken lines in FIGS. 5 and 6 represent a portion of the human form showing the mock turtleneck in use, form no part of the claimed design. 

The ornamental design for a mock turtleneck, as shown and described. 